[volt-nuts] Homebrew DVM

[m k]

> Date: Thu, 10 Nov 2011 17:24:02 +0100
> From: rob.klein at smalldesign.nl
> To: volt-nuts at febo.com
> Subject: Re: [volt-nuts] Homebrew DVM
> 
> Op 10-11-2011 16:51, Poul-Henning Kamp schreef:
> >
> > Do you mean 8.5 digits single-shot, or 8.5 digits with averaging ?
> >
> > Considering that you can get off-the shelf ADC's where 24 bit is routine
> > and 26 bits available, I'm not sure I'd bother...
> >
> > http://ohh.de/5610.htm
> >
> Oooh, gorgeous!
> 
> Where do I buy one and what does it cost?
> 
> 
> - Rob.

Hi Rob,

Try the LTC2441, 8.5 hz updates at about 26 bits with pretty good linearity.

Most of the "24 bit" DAC are only really good for about 20-22 bits due to noise and non-linearity.

MK